On August 18, 2005, the National Standardization Administration issued a TBT notification to the World Trade Organization Committee on Technical Barriers to Trade to develop a standard for energy efficiency and energy efficiency of metal halide lamps (notification number: G/TBT/N/CHN/120) . This standard specifies the energy efficiency limits, energy efficiency ratings and test methods for metal halide lamps. The proposed date of approval of the standard is 90 days after distribution by the WTO Secretariat. Proposed date of entry into force: 6 months after approval.
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Audible and visual alarm is set up to meet customers' special requirements for alarm loudness and installation location. At the same time, two alarm signals, sound and light, are issued. Special fields: iron and steel metallurgy, telecommunication towers, hoisting machinery, construction machinery, ports, transportation, wind power generation, ocean-going ships and other industries; it is an accessory product in the industrial alarm system.
emergency alarm,Audible Visual Signals,Visual Alarm devices,sound and light siren,visual alarm system
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